Malware Analysis Report

2024-10-10 12:45

Sample ID 240613-15bdyawdml
Target a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118
SHA256 24dc4aabb8d953c108283941ecac50af7b13008eed8f46d00f24512413ea6bc4
Tags
upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

24dc4aabb8d953c108283941ecac50af7b13008eed8f46d00f24512413ea6bc4

Threat Level: Shows suspicious behavior

The file a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Checks BIOS information in registry

Maps connected drives based on registry

Suspicious use of SetThreadContext

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 22:13

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 22:13

Reported

2024-06-13 22:16

Platform

win7-20240221-en

Max time kernel

140s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 2284 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe" Track="0001001000"

Network

Country Destination Domain Proto
US 8.8.8.8:53 uwihbyrhx02pueic.zbuj49y.com udp

Files

memory/2284-0-0x0000000000400000-0x0000000000586000-memory.dmp

memory/2524-1-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-5-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-4-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-9-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-7-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-21-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-20-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2284-19-0x0000000000400000-0x0000000000586000-memory.dmp

memory/2284-17-0x00000000028E0000-0x0000000002A66000-memory.dmp

memory/2524-15-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2524-11-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-22-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-23-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-24-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-26-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-25-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-28-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-29-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-30-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-31-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-32-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-33-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-34-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-35-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-36-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-37-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-38-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-39-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-40-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/2524-41-0x0000000000400000-0x00000000004F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:13

Reported

2024-06-13 22:16

Platform

win10v2004-20240611-en

Max time kernel

125s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe
PID 1200 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d4990b9cc80b9becef3066c3202f6e_JaffaCakes118.exe" Track="0001000000"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1176 -ip 1176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1176 -ip 1176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 2084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 2024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1060,i,3549704109630749084,1975543916261970610,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 dum5b7wqhc.zbuj49y.com udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/1200-0-0x0000000000400000-0x0000000000586000-memory.dmp

memory/1176-1-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-2-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-4-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1200-5-0x0000000000400000-0x0000000000586000-memory.dmp

memory/1176-6-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-7-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-8-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-9-0x0000000000400000-0x00000000004F6000-memory.dmp

memory/1176-10-0x0000000000500000-0x00000000005C9000-memory.dmp

memory/1176-11-0x0000000000400000-0x00000000004F6000-memory.dmp